Record to audio file on disk (multi-channel) Use the mc.sfrecord~ object to record and save multi-channel MSP output as an audio file. Cycling '74 MC (multi-channel signal) Record Input, 1/0 Record On/Off TEXT_HERE (multi-channel signal) Record Input, 1/0 Record On/Off TEXT_HERE (signal) elapsed time (ms) TEXT_HERE Number of channels Sets the number of channels to record via the one multi-channel inlet. The maximum number of channels is 64, and the default is 1. The audio file created will have the same number of channels as this argument, unless you set a lower number with the nchans attribute. Whether you can actually record the maximum number of channels is dependent on the speed of your processor and hard disk. Buffer size An optional second argument sets the buffer size. The defult value is 20160. Start/stop recording If a file has been opened with the open message, a non-zero value begins recording, and 0 stops recording and closes the file. mc.sfrecord~ requires another open message to record again if a 0 has been sent.

Recording may also stop spontaneously if there is an error, such as running out of space on your hard disk. Trigger recording with a looping length If a file has been opened with the open message, the word loop, followed by a number that specifies the loop length in milliseconds, begins recording for the specified amount of time, repeating within the specified area. loop 0 turns off recording. Open a file for recording In left inlet: Opens a file for recording. By default, the file type is AIFF, but sfrecord~ also supports WAVE, OGG, FLAC, and Raw Data. The word open, without an argument, brings up a standard Save As dialog allowing you to choose a filename. The optional symbols aiff, wave, ogg, flac, or raw specify the file format (which can also be set in the Save As dialog with a Format pop-up menu). If open is followed by a second symbol, it creates a file in the current default volume. An existing file with the same name will be overwritten. The format symbol (e.g., aiff) can follow the optional filename argument. If only one argument is given to the open message, which is a filename, the file type is determined from the file extension (e.g., "open test.wav" sets the file type to wave). Output status information about recording progress Outputs cryptic status information about the progress of the recording. Record for a specified amount of time If a file has been opened with the open message, the word record, followed by a time in milliseconds, begins recording for the specified amount of time. The recording can be stopped before it reaches the end by sending mc.sfrecord~ a 0. Specify the sample type to use when recording The word samptype, followed by a symbol, specifies the sample type to use when recording the audio file. The following types of sample data are supported:

int8: 8-bit integer
int16: 16-bit integer
int24: 24-bit integer
int32: 32-bit integer
float32: 32-bit floating-point
float64: 64-bit floating-point
mulaw: 8-bit "mu"-law encoding
alaw: 8-bit a-law encoding

The optional second argument, a 0 or 1, specifies whether or not byte-swapping should be used, which is only useful when writing a 'raw' audio file.
Multi-channel signal mc.sfrecord~ accepts a multi-channel signal via the one inlet, which is recorded to an audio file when recording is turned on. Bits Per Sample TEXT_HERE Dither PCM Output Enable triangular dithering (TPDF) when writing PCM (integer) files. TEXT_HERE TEXT_HERE TEXT_HERE TEXT_HERE TEXT_HERE TEXT_HERE Sets the number of channels to record Sets the number of channels to record, from 1-64. The default is 1. In order to record more than 1 channel, the maximum number of channels must first be set via the number-of-channels argument. Using the nchans attribute you can then specify any number of channels to record that is equal to or less than the number-of-channels argument. PCM Quantization Rule Select the quantization rule when writing PCM (integer) files. Round when quantizing to integer values. TEXT_HERE Floor when quantizing to integer values. TEXT_HERE Resample Factor TEXT_HERE Save Loop Recording In Order TEXT_HERE The time, in milliseconds, since recording of the file began. If recording has stopped, the signal value will remain at the length of the last recording until a new recording is started.